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GB/T 31965-2015: Praseodymium-neodymium oxides
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 31965-2015 | English | 129 |
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Praseodymium-neodymium oxides
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GB/T 31965-2015
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Basic data | Standard ID | GB/T 31965-2015 (GB/T31965-2015) | | Description (Translated English) | Praseodymium-neodymium oxides | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H65 | | Classification of International Standard | 77.120.99 | | Word Count Estimation | 6,686 | | Date of Issue | 2015-09-11 | | Date of Implementation | 2016-08-01 | | Quoted Standard | GB/T 8170; GB/T 12690.10; GB/T 12690.11; GB/T 12690.1; GB/T 12690.12; GB/T 12690.13; GB/T 12690.14; GB/T 12690.15; GB/T 12690.16; GB/T 12690.17; GB/T 12690.2; GB/T 12690.29; GB/T 12690.3; GB/T 12690.4; GB/T 12690.5; GB/T 12690.6; GB/T 12690.7; GB/T 12690.8; GB/T 12690.9; GB/T 14635; GB/T 17803; GB/T 26417 | | Regulation (derived from) | National Standard Announcement 2015 No.25 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This Standard specifies the requirements of praseodymium neodymium oxide, test methods, inspection rules and packaging, labeling, transportation, storage and quality certificate. This Standard applies to the rare earth mine and processing more than NdFeB compound extract obtained praseodymium neodymium oxide, praseodymium neodymium-powered solution prepared metal and glass, ceramics and other additives used. | GB/T 31965-2015: Praseodymium-neodymium oxides---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
(Praseodymium neodymium oxide)
ICS 77.120.99
H65
National Standards of People's Republic of China
Praseodymium neodymium oxide
Issued on. 2015-09-11
2016-08-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard by the National Standardization Technical Committee of rare earth (SAC/TC229) and focal points.
This standard is mainly drafted by. Qiandong Rare Earth Group Co., Ltd., Jiangxi Southern Rare Earth High-tech Co., Yixing Xinwei
Lee Cheng Rare Earth Co., Ltd., Sichuan Leshan Rui Feng Metallurgical Co., Ltd., Xuzhou Golden Shipeng Yuan Rare Earth Material Factory, China North Rare Earth (Group) High
Technology Co., Ltd., Hunan Yiyang Hongyuan Rare Earth Co., Ltd., Baotou Huamei Rare Earth Hi-Tech Co., Ltd.
The main drafters of this standard. Gong Bin, double Cai, Hu Limin, Nam Hung Yao Wen Bin, Zeng Haiyan, Zhangshao Fu, Gong Fang, Zhoujun Hai, Zou Bin,
Pingxin Rui, Dan Cuiping, Mugen Liu, Zhou Xiaodong, Chen Yuehua, Wen informed, Li Peizhong, high HC, Xie Jianwei, Xiao Rui.
Praseodymium neodymium oxide
1 Scope
This standard specifies the requirements of praseodymium neodymium oxide, test methods, inspection rules and packaging, labeling, transportation, storage and quality certificate.
This standard applies to the rare earth mine and processing more than NdFeB compound extract obtained praseodymium neodymium oxide, praseodymium neodymium-powered solution preparation
Metal and glass, ceramics and other additives used.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 8170 repair value expressed about the rules and limit values \u200b\u200band judgment
GB/T 12690 (all parts), oxides of rare earth metals and their chemical impurity analysis of Central Africa
Determination of GB/T 14635 method for chemical analysis of rare earth metals and rare earth compound total
GB/T 17803 grades representation of rare earth products
Determination of GB/T 26417 praseodymium neodymium alloy and chemical analysis of rare earth coordination compound component
3 Requirements
3.1 Categories
Products according to chemical composition divided into (PrNd) xOy-85Nd, (PrNd) xOy-80Nd, (PrNd) xOy-75Nd, (PrNd) xOy-70Nd
Four grades, Grade representation shall comply with GB/T 17803 of.
3.2 Chemical composition
Chemical composition of the product shall comply with the requirements of Table 1. For a party with special requirements, can be negotiated to determine the supply and demand sides.
Table 1
Grades
Character grade (PrNd) xOy-85Nd (PrNd) xOy-80Nd (PrNd) xOy-75Nd (PrNd) xOy-70Nd
Corresponding to the original digital brands 040 085 040 080 040 075 040 070
Chemistry
ingredient
(quality
fraction)
/%
REO is not less than 99,999,999
Pr6O11/REO 15 ± 2 20 ± 2 25 ± 2 30 ± 2
Nd2O3/REO 85 ± 2 80 ± 2 75 ± 2 70 ± 2
Pr6O11 Nd2O3 Balance Balance Balance Balance
Impurity
content
Not very
La2O3 0.05 0.05 0.05 0.05
CeO2 0.05 0.05 0.05 0.05
Sm2O3 0.05 0.05 0.05 0.05
Y2O3 0.03 0.03 0.03 0.03
Other rare earth impurities
(Combined amount)
0.1 0.1 0.1 0.1
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